destroyer vs guided missile destroyer

destroyer and guided missile destroyer both are nouns.

Word	Noun	Adjective	Verb	Adverb
destroyer	Yes	No	No	No
guided missile destroyer	Yes	No	No	No

As nouns, destroyer and guided missile destroyer are synonyms defined as:

destroyer and guided missile destroyer: a small fast lightly armored but heavily armed warship

destroyer (noun)	guided missile destroyer (noun)
a small fast lightly armored but heavily armed warship	a small fast lightly armored but heavily armed warship
a person who destroys or ruins or lays waste to